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Volcano Hazards Fact Sheet: Volcanic Gas
This fact sheet provides an overview of the gases emitted by volcanoes, which consist mostly of water vapor, carbon dioxide, and sulfur dioxide. Topics include reasons for studying them, potential hazards, methods for studying them, and some facts about the gases emitted by the eruption of Mount St. Helens. A downloadable, printable version is available.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
Type of resource:
  • Visual:
    • Illustration - scientific
  • Text:
    • Ref. material
Subject:
  • Atmospheric science
  • Chemistry
  • Climatology
  • Natural hazards
Technical requirements:
Downloadable version requires Adobe Acrobat reader
Cost / Copyright:
No cost
Information presented on this website is considered public information (unless otherwise noted) and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. We strongly recommend that USGS data be acquired directly from a USGS server and not through other sources that may change the data in some way. While USGS makes every effort to provide accurate and complete information, various data such as names, telephone numbers, etc. may change prior to updating. USGS welcomes suggestions on how to improve our home page and correct errors. USGS provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data.
DLESE Catalog ID: USGS-ED-000-000-000-106
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey (USGS)
Cascades Volcano Observatory
http://vulcan.wr.usgs.gov/

Contact: Joseph J. Kerski
Educational Resources
United States Geological Survey (USGS)

Contact: Phil Stoffer
Educational Resources
United States Geological Survey (USGS)